Are Leeks Toxic to Cats?
Yes — leeks are toxic to cats.
PawSafe Check is for general information only and is not veterinary advice. Always contact your veterinarian or a poison control service if you think your pet has been exposed.
Symptoms to watch for
- Vomiting
- Diarrhea
- Weakness or low energy
- Pale gums
- Fast breathing or heart rate
- Red or brown urine (anemia can appear several days later)
Toxic parts
All parts
Toxic compound
Organosulfur compounds
What to do now
- Call your vet or a pet poison control line immediately — don't wait for symptoms.
- Do not induce vomiting unless a vet tells you to.
- Bring the plant, label or packaging with you so the vet knows exactly what your cat ate.
- Note roughly how much was eaten and when.
Good to know
Leeks are in the onion family and can cause red blood cell damage.
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Frequently asked questions
Can cats eat leeks?
No. Yes — leeks are toxic to cats.
Are leeks toxic to cats?
Yes — leeks are toxic to cats. Leeks are in the onion family and can cause red blood cell damage.
What are the symptoms of leeks poisoning in cats?
Vomiting. Diarrhea. Weakness or low energy. Pale gums. Fast breathing or heart rate. Red or brown urine (anemia can appear several days later).
What should I do if my cat ate leeks?
Call your vet or a pet poison control line immediately — don't wait for symptoms. Do not induce vomiting unless a vet tells you to. Bring the plant, label or packaging with you so the vet knows exactly what your cat ate. Note roughly how much was eaten and when.
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